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A 1.5 kW heater and a 5 hp induction motor are operated from a 208V, three-phase supply. The motor has a full load efficiency of 80% and a full load power factor of 0.85. What is the motor current and what is the total supply current?
Electrical & Electronics, Engineering
CASE STUDY This assignment consists of a written report of approximately 1000 words and any diagrams in which you are asked to critically compare different process methods used to achieve the same result and show an awar ...
Question - (i) A star-connected, three-phase synchronous induction motor takes a current of 10 amps from a 415 volt supply at unity power factor when supplying a steady load. If the synchronous reactance is 5 ohms/phase ...
1. (a) Name the three major groups of contamination and briefly describe their physical characteristics. (b) Where do the above contamination types come from? Give one example of each. 2. Name two processes metrics which ...
Problem # 1: Given a sequence x(n) for 0≤n≤3, where x(0) = 1, x(1) = 1, x(2) = -1, and x(3) = 0, compute its DFT X(k). (Use DFT formula, don't use MATLAB function) Problem # 2: Use inverse DFT and apply it on the Fourier ...
Research report 1. Read 3 to 4 journal articles about digital control or industrial control, eg. one particular application, implementation aspect such as selection of sampling time, hardware etc. No text book example is ...
Questions - Problem 1 - Solve for i 0 in Fig. using mesh analysis. Problem 2 - Use mesh analysis to find current i 0 in the circuit. Problem 3 - Use mesh analysis to find v 0 in the circuit. Let v s1 = 120 cos(100t+ 90 o ...
Electrical Engineering Questions - Q1. Two ideal voltage sources designated as machines 1 and 2 are connected, as shown in the figure below. Given E 1 = 65∠0 o V, E 2 = 65∠30 o V, Z = 3Ω. Determine if Machine 1 is genera ...
1 Goal In this project you will solve a non-trivial design problem explicitly using the divide-and-conquer (D&C) approach. The main reason for using the D&C approach is the ease of the design process and the streamlined ...
Nanotechnology Engineering - Resonance Circuits Questions - Q1) A series RLC network has R = 2KΩ, L = 40mH and C = 1μF. Calculate the impedance at resonance and at one-fourth, one-half, twice, and four times the resonant ...
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